G-Srt.B. Prove Theorems Involving Similarity

Which of the following is NOT true about similar figures?

• Similar figures always have the same shape.
• Similar figures always have the same size.
• Similar figures always have corresponding angles that are equal.
• Similar figures always have corresponding sides that are proportional.

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CCSS.HSG.CO.B.6

CCSS.8.G.A.2

Triangle SQR is similar to triangle SPT. Which segment corresponds to segment QR?

• SP
• ST
• PR
• PT

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CCSS.HSG.SRT.A.2

Why are the triangles similar?

• AA~
• SAS~
• SSS~
• AAS~

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CCSS.HSG.SRT.B.5

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW
• ΔXZY~ΔNWE
• ΔZYX~ΔENW
• ΔYZX~ΔNWE

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CCSS.HSG.SRT.A.2

Why are the triangles similar?

• AA~
• ASA~
• SAS~
• SSS~

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CCSS.HSG.SRT.B.5

Find length of segment AB.

• x = 810
• x = 21.6
• x = 33.75
• x = 67.5

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CCSS.HSG.SRT.B.4

Complete each proportion.
AB / BM  =  ? / CD

• BC
• AC
• MD
• MC

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CCSS.HSG.SRT.B.4

Solve for x.

• x = 5
• x = 3
• x = 14
• x = 1

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CCSS.HSG.SRT.A.2

Solve for x.

• x = 2
• x = -1
• x = 1
• x = 5

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CCSS.HSG.SRT.B.4

What is the value of x?

• x = 4
• x = 6
• x = 3
• x = 2

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CCSS.HSG.SRT.A.2